modetest: add mediatek to module list

There is a mediatek drm kms driver: Add "mediatek" to the static
lists of driver names.

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: JB Tsai <jb.tsai@mediatek.com>
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
diff --git a/tests/util/kms.c b/tests/util/kms.c
index c20134e..4d89ac8 100644
--- a/tests/util/kms.c
+++ b/tests/util/kms.c
@@ -143,6 +143,7 @@
 	"fsl-dcu-drm",
 	"vc4",
 	"virtio_gpu",
+	"mediatek",
 };
 
 int util_open(const char *device, const char *module)